Effects of Submerged Heater on the Vertical Bridgman Crystal Growth

Abstract:

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This study used numerical simulation to investigate the growth conditions of yttrium aluminum garnet (YAG) single crystals by the vertical Bridgman method, and discusses the process performed with or without the installation of a submerged heater (SH). The maximum flow velocity of the melted material surrounding the melt/crystal interface can be decreased, and the deflection of the melt/crystal interface can be changed under various furnace temperature gradients and distances. The minimum of the maximized flow rate indicates that the natural convection can be decreased and controlled. In this manner, the growth rate of crystals increases in an identical environment.

Info:

Periodical:

Advanced Materials Research (Volumes 189-193)

Edited by:

Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang

Pages:

4022-4027

DOI:

10.4028/www.scientific.net/AMR.189-193.4022

Citation:

M. F. Lu et al., "Effects of Submerged Heater on the Vertical Bridgman Crystal Growth", Advanced Materials Research, Vols. 189-193, pp. 4022-4027, 2011

Online since:

February 2011

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Price:

$35.00

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